This mechanism is known as vomocytosis. Contrary to previous assumptions, microalgae ingested by corals are not digested by the cell if they prove unsuitable as symbionts – that is, partners in a symbiotic relationship.

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Though more than 131 million Americans have received at least one dose of COVID-19 vaccine to date, public confusion and uncertainty about the importance of second doses and continued public health precautions threaten to delay a U.S. return to normalcy, according to Cornell-led research published April 28 in the New England Journal of Medicine.

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